See the autocheck parameter, which turns all HTTP errors into fatal errors. When you turn autocheck off, you will need to do all error checking yourself.
my $mech = WWW::Mechanize->new( autocheck => 0 );
my $res = $mech->get('does.notexist.example');
$res->is_success
or print "Uhoh\n";
Alternatively, use eval to trap fatal errors when making the original connection.
my $mech = WWW::Mechanize->new();
my $connected = eval {
$mech->get('does.notexist.example');
1
};
if (! $connected) {
print "Uhoh\n";
};
Also see Try::Tiny to reduce the exception-dance to one less step (I haven't used it myself):
use Try::Tiny;
my $mech = WWW::Mechanize->new();
try {
$mech->get('does.notexist.example');
} catch {
print "Uhoh: $_\n";
};
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